1/* 2 * This program is used to generate definitions needed by 3 * assembly language modules. 4 * 5 * We use the technique used in the OSF Mach kernel code: 6 * generate asm statements containing #defines, 7 * compile this file to assembler, and then extract the 8 * #defines from the assembly-language output. 9 * 10 * This program is free software; you can redistribute it and/or 11 * modify it under the terms of the GNU General Public License 12 * as published by the Free Software Foundation; either version 13 * 2 of the License, or (at your option) any later version. 14 */ 15 16#include <linux/signal.h> 17#include <linux/sched.h> 18#include <linux/kernel.h> 19#include <linux/errno.h> 20#include <linux/string.h> 21#include <linux/types.h> 22#include <linux/mman.h> 23#include <linux/mm.h> 24#include <linux/suspend.h> 25#ifdef CONFIG_PPC64 26#include <linux/time.h> 27#include <linux/hardirq.h> 28#else 29#include <linux/ptrace.h> 30#endif 31 32#include <asm/io.h> 33#include <asm/page.h> 34#include <asm/pgtable.h> 35#include <asm/processor.h> 36#include <asm/cputable.h> 37#include <asm/thread_info.h> 38#include <asm/rtas.h> 39#include <asm/vdso_datapage.h> 40#ifdef CONFIG_PPC64 41#include <asm/paca.h> 42#include <asm/lppaca.h> 43#include <asm/cache.h> 44#include <asm/compat.h> 45#include <asm/mmu.h> 46#include <asm/hvcall.h> 47#endif 48 49#define DEFINE(sym, val) \ 50 asm volatile("\n->" #sym " %0 " #val : : "i" (val)) 51 52#define BLANK() asm volatile("\n->" : : ) 53 54int main(void) 55{ 56 DEFINE(THREAD, offsetof(struct task_struct, thread)); 57 DEFINE(MM, offsetof(struct task_struct, mm)); 58#ifdef CONFIG_PPC64 59 DEFINE(AUDITCONTEXT, offsetof(struct task_struct, audit_context)); 60#else 61 DEFINE(THREAD_INFO, offsetof(struct task_struct, stack)); 62 DEFINE(PTRACE, offsetof(struct task_struct, ptrace)); 63#endif /* CONFIG_PPC64 */ 64 65 DEFINE(KSP, offsetof(struct thread_struct, ksp)); 66 DEFINE(PT_REGS, offsetof(struct thread_struct, regs)); 67 DEFINE(THREAD_FPEXC_MODE, offsetof(struct thread_struct, fpexc_mode)); 68 DEFINE(THREAD_FPR0, offsetof(struct thread_struct, fpr[0])); 69 DEFINE(THREAD_FPSCR, offsetof(struct thread_struct, fpscr)); 70#ifdef CONFIG_ALTIVEC 71 DEFINE(THREAD_VR0, offsetof(struct thread_struct, vr[0])); 72 DEFINE(THREAD_VRSAVE, offsetof(struct thread_struct, vrsave)); 73 DEFINE(THREAD_VSCR, offsetof(struct thread_struct, vscr)); 74 DEFINE(THREAD_USED_VR, offsetof(struct thread_struct, used_vr)); 75#endif /* CONFIG_ALTIVEC */ 76#ifdef CONFIG_PPC64 77 DEFINE(KSP_VSID, offsetof(struct thread_struct, ksp_vsid)); 78#else /* CONFIG_PPC64 */ 79 DEFINE(PGDIR, offsetof(struct thread_struct, pgdir)); 80#if defined(CONFIG_4xx) || defined(CONFIG_BOOKE) 81 DEFINE(THREAD_DBCR0, offsetof(struct thread_struct, dbcr0)); 82 DEFINE(PT_PTRACED, PT_PTRACED); 83#endif 84#ifdef CONFIG_SPE 85 DEFINE(THREAD_EVR0, offsetof(struct thread_struct, evr[0])); 86 DEFINE(THREAD_ACC, offsetof(struct thread_struct, acc)); 87 DEFINE(THREAD_SPEFSCR, offsetof(struct thread_struct, spefscr)); 88 DEFINE(THREAD_USED_SPE, offsetof(struct thread_struct, used_spe)); 89#endif /* CONFIG_SPE */ 90#endif /* CONFIG_PPC64 */ 91 92 DEFINE(TI_FLAGS, offsetof(struct thread_info, flags)); 93 DEFINE(TI_LOCAL_FLAGS, offsetof(struct thread_info, local_flags)); 94 DEFINE(TI_PREEMPT, offsetof(struct thread_info, preempt_count)); 95 DEFINE(TI_TASK, offsetof(struct thread_info, task)); 96#ifdef CONFIG_PPC32 97 DEFINE(TI_EXECDOMAIN, offsetof(struct thread_info, exec_domain)); 98 DEFINE(TI_CPU, offsetof(struct thread_info, cpu)); 99#endif /* CONFIG_PPC32 */ 100 101#ifdef CONFIG_PPC64 102 DEFINE(DCACHEL1LINESIZE, offsetof(struct ppc64_caches, dline_size)); 103 DEFINE(DCACHEL1LOGLINESIZE, offsetof(struct ppc64_caches, log_dline_size)); 104 DEFINE(DCACHEL1LINESPERPAGE, offsetof(struct ppc64_caches, dlines_per_page)); 105 DEFINE(ICACHEL1LINESIZE, offsetof(struct ppc64_caches, iline_size)); 106 DEFINE(ICACHEL1LOGLINESIZE, offsetof(struct ppc64_caches, log_iline_size)); 107 DEFINE(ICACHEL1LINESPERPAGE, offsetof(struct ppc64_caches, ilines_per_page)); 108 /* paca */ 109 DEFINE(PACA_SIZE, sizeof(struct paca_struct)); 110 DEFINE(PACAPACAINDEX, offsetof(struct paca_struct, paca_index)); 111 DEFINE(PACAPROCSTART, offsetof(struct paca_struct, cpu_start)); 112 DEFINE(PACAKSAVE, offsetof(struct paca_struct, kstack)); 113 DEFINE(PACACURRENT, offsetof(struct paca_struct, __current)); 114 DEFINE(PACASAVEDMSR, offsetof(struct paca_struct, saved_msr)); 115 DEFINE(PACASTABREAL, offsetof(struct paca_struct, stab_real)); 116 DEFINE(PACASTABVIRT, offsetof(struct paca_struct, stab_addr)); 117 DEFINE(PACASTABRR, offsetof(struct paca_struct, stab_rr)); 118 DEFINE(PACAR1, offsetof(struct paca_struct, saved_r1)); 119 DEFINE(PACATOC, offsetof(struct paca_struct, kernel_toc)); 120 DEFINE(PACASOFTIRQEN, offsetof(struct paca_struct, soft_enabled)); 121 DEFINE(PACAHARDIRQEN, offsetof(struct paca_struct, hard_enabled)); 122 DEFINE(PACASLBCACHE, offsetof(struct paca_struct, slb_cache)); 123 DEFINE(PACASLBCACHEPTR, offsetof(struct paca_struct, slb_cache_ptr)); 124 DEFINE(PACACONTEXTID, offsetof(struct paca_struct, context.id)); 125 DEFINE(PACAVMALLOCSLLP, offsetof(struct paca_struct, vmalloc_sllp)); 126#ifdef CONFIG_PPC_MM_SLICES 127 DEFINE(PACALOWSLICESPSIZE, offsetof(struct paca_struct, 128 context.low_slices_psize)); 129 DEFINE(PACAHIGHSLICEPSIZE, offsetof(struct paca_struct, 130 context.high_slices_psize)); 131 DEFINE(MMUPSIZEDEFSIZE, sizeof(struct mmu_psize_def)); 132 DEFINE(MMUPSIZESLLP, offsetof(struct mmu_psize_def, sllp)); 133#else 134 DEFINE(PACACONTEXTSLLP, offsetof(struct paca_struct, context.sllp)); 135 136#endif /* CONFIG_PPC_MM_SLICES */ 137 DEFINE(PACA_EXGEN, offsetof(struct paca_struct, exgen)); 138 DEFINE(PACA_EXMC, offsetof(struct paca_struct, exmc)); 139 DEFINE(PACA_EXSLB, offsetof(struct paca_struct, exslb)); 140 DEFINE(PACAEMERGSP, offsetof(struct paca_struct, emergency_sp)); 141 DEFINE(PACALPPACAPTR, offsetof(struct paca_struct, lppaca_ptr)); 142 DEFINE(PACAHWCPUID, offsetof(struct paca_struct, hw_cpu_id)); 143 DEFINE(PACA_STARTPURR, offsetof(struct paca_struct, startpurr)); 144 DEFINE(PACA_USER_TIME, offsetof(struct paca_struct, user_time)); 145 DEFINE(PACA_SYSTEM_TIME, offsetof(struct paca_struct, system_time)); 146 DEFINE(PACA_SLBSHADOWPTR, offsetof(struct paca_struct, slb_shadow_ptr)); 147 DEFINE(PACA_DATA_OFFSET, offsetof(struct paca_struct, data_offset)); 148 DEFINE(PACA_TRAP_SAVE, offsetof(struct paca_struct, trap_save)); 149 150 DEFINE(SLBSHADOW_STACKVSID, 151 offsetof(struct slb_shadow, save_area[SLB_NUM_BOLTED - 1].vsid)); 152 DEFINE(SLBSHADOW_STACKESID, 153 offsetof(struct slb_shadow, save_area[SLB_NUM_BOLTED - 1].esid)); 154 DEFINE(LPPACASRR0, offsetof(struct lppaca, saved_srr0)); 155 DEFINE(LPPACASRR1, offsetof(struct lppaca, saved_srr1)); 156 DEFINE(LPPACAANYINT, offsetof(struct lppaca, int_dword.any_int)); 157 DEFINE(LPPACADECRINT, offsetof(struct lppaca, int_dword.fields.decr_int)); 158 DEFINE(SLBSHADOW_SAVEAREA, offsetof(struct slb_shadow, save_area)); 159#endif /* CONFIG_PPC64 */ 160 161 /* RTAS */ 162 DEFINE(RTASBASE, offsetof(struct rtas_t, base)); 163 DEFINE(RTASENTRY, offsetof(struct rtas_t, entry)); 164 165 /* Interrupt register frame */ 166 DEFINE(STACK_FRAME_OVERHEAD, STACK_FRAME_OVERHEAD); 167#ifndef CONFIG_PPC64 168 DEFINE(INT_FRAME_SIZE, STACK_FRAME_OVERHEAD + sizeof(struct pt_regs)); 169#else /* CONFIG_PPC64 */ 170 DEFINE(SWITCH_FRAME_SIZE, STACK_FRAME_OVERHEAD + sizeof(struct pt_regs)); 171 /* 288 = # of volatile regs, int & fp, for leaf routines */ 172 /* which do not stack a frame. See the PPC64 ABI. */ 173 DEFINE(INT_FRAME_SIZE, STACK_FRAME_OVERHEAD + sizeof(struct pt_regs) + 288); 174 /* Create extra stack space for SRR0 and SRR1 when calling prom/rtas. */ 175 DEFINE(PROM_FRAME_SIZE, STACK_FRAME_OVERHEAD + sizeof(struct pt_regs) + 16); 176 DEFINE(RTAS_FRAME_SIZE, STACK_FRAME_OVERHEAD + sizeof(struct pt_regs) + 16); 177 178 /* hcall statistics */ 179 DEFINE(HCALL_STAT_SIZE, sizeof(struct hcall_stats)); 180 DEFINE(HCALL_STAT_CALLS, offsetof(struct hcall_stats, num_calls)); 181 DEFINE(HCALL_STAT_TB, offsetof(struct hcall_stats, tb_total)); 182 DEFINE(HCALL_STAT_PURR, offsetof(struct hcall_stats, purr_total)); 183#endif /* CONFIG_PPC64 */ 184 DEFINE(GPR0, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[0])); 185 DEFINE(GPR1, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[1])); 186 DEFINE(GPR2, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[2])); 187 DEFINE(GPR3, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[3])); 188 DEFINE(GPR4, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[4])); 189 DEFINE(GPR5, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[5])); 190 DEFINE(GPR6, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[6])); 191 DEFINE(GPR7, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[7])); 192 DEFINE(GPR8, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[8])); 193 DEFINE(GPR9, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[9])); 194 DEFINE(GPR10, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[10])); 195 DEFINE(GPR11, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[11])); 196 DEFINE(GPR12, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[12])); 197 DEFINE(GPR13, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[13])); 198#ifndef CONFIG_PPC64 199 DEFINE(GPR14, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[14])); 200 DEFINE(GPR15, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[15])); 201 DEFINE(GPR16, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[16])); 202 DEFINE(GPR17, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[17])); 203 DEFINE(GPR18, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[18])); 204 DEFINE(GPR19, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[19])); 205 DEFINE(GPR20, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[20])); 206 DEFINE(GPR21, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[21])); 207 DEFINE(GPR22, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[22])); 208 DEFINE(GPR23, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[23])); 209 DEFINE(GPR24, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[24])); 210 DEFINE(GPR25, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[25])); 211 DEFINE(GPR26, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[26])); 212 DEFINE(GPR27, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[27])); 213 DEFINE(GPR28, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[28])); 214 DEFINE(GPR29, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[29])); 215 DEFINE(GPR30, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[30])); 216 DEFINE(GPR31, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[31])); 217#endif /* CONFIG_PPC64 */ 218 /* 219 * Note: these symbols include _ because they overlap with special 220 * register names 221 */ 222 DEFINE(_NIP, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, nip)); 223 DEFINE(_MSR, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, msr)); 224 DEFINE(_CTR, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, ctr)); 225 DEFINE(_LINK, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, link)); 226 DEFINE(_CCR, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, ccr)); 227 DEFINE(_XER, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, xer)); 228 DEFINE(_DAR, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, dar)); 229 DEFINE(_DSISR, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, dsisr)); 230 DEFINE(ORIG_GPR3, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, orig_gpr3)); 231 DEFINE(RESULT, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, result)); 232 DEFINE(_TRAP, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, trap)); 233#ifndef CONFIG_PPC64 234 DEFINE(_MQ, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, mq)); 235 /* 236 * The PowerPC 400-class & Book-E processors have neither the DAR 237 * nor the DSISR SPRs. Hence, we overload them to hold the similar 238 * DEAR and ESR SPRs for such processors. For critical interrupts 239 * we use them to hold SRR0 and SRR1. 240 */ 241 DEFINE(_DEAR, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, dar)); 242 DEFINE(_ESR, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, dsisr)); 243#else /* CONFIG_PPC64 */ 244 DEFINE(SOFTE, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, softe)); 245 246 /* These _only_ to be used with {PROM,RTAS}_FRAME_SIZE!!! */ 247 DEFINE(_SRR0, STACK_FRAME_OVERHEAD+sizeof(struct pt_regs)); 248 DEFINE(_SRR1, STACK_FRAME_OVERHEAD+sizeof(struct pt_regs)+8); 249#endif /* CONFIG_PPC64 */ 250 251 DEFINE(CLONE_VM, CLONE_VM); 252 DEFINE(CLONE_UNTRACED, CLONE_UNTRACED); 253 254#ifndef CONFIG_PPC64 255 DEFINE(MM_PGD, offsetof(struct mm_struct, pgd)); 256#endif /* ! CONFIG_PPC64 */ 257 258 /* About the CPU features table */ 259 DEFINE(CPU_SPEC_ENTRY_SIZE, sizeof(struct cpu_spec)); 260 DEFINE(CPU_SPEC_PVR_MASK, offsetof(struct cpu_spec, pvr_mask)); 261 DEFINE(CPU_SPEC_PVR_VALUE, offsetof(struct cpu_spec, pvr_value)); 262 DEFINE(CPU_SPEC_FEATURES, offsetof(struct cpu_spec, cpu_features)); 263 DEFINE(CPU_SPEC_SETUP, offsetof(struct cpu_spec, cpu_setup)); 264 DEFINE(CPU_SPEC_RESTORE, offsetof(struct cpu_spec, cpu_restore)); 265 266 DEFINE(pbe_address, offsetof(struct pbe, address)); 267 DEFINE(pbe_orig_address, offsetof(struct pbe, orig_address)); 268 DEFINE(pbe_next, offsetof(struct pbe, next)); 269 270#ifndef CONFIG_PPC64 271 DEFINE(TASK_SIZE, TASK_SIZE); 272 DEFINE(NUM_USER_SEGMENTS, TASK_SIZE>>28); 273#endif /* ! CONFIG_PPC64 */ 274 275 /* datapage offsets for use by vdso */ 276 DEFINE(CFG_TB_ORIG_STAMP, offsetof(struct vdso_data, tb_orig_stamp)); 277 DEFINE(CFG_TB_TICKS_PER_SEC, offsetof(struct vdso_data, tb_ticks_per_sec)); 278 DEFINE(CFG_TB_TO_XS, offsetof(struct vdso_data, tb_to_xs)); 279 DEFINE(CFG_STAMP_XSEC, offsetof(struct vdso_data, stamp_xsec)); 280 DEFINE(CFG_TB_UPDATE_COUNT, offsetof(struct vdso_data, tb_update_count)); 281 DEFINE(CFG_TZ_MINUTEWEST, offsetof(struct vdso_data, tz_minuteswest)); 282 DEFINE(CFG_TZ_DSTTIME, offsetof(struct vdso_data, tz_dsttime)); 283 DEFINE(CFG_SYSCALL_MAP32, offsetof(struct vdso_data, syscall_map_32)); 284 DEFINE(WTOM_CLOCK_SEC, offsetof(struct vdso_data, wtom_clock_sec)); 285 DEFINE(WTOM_CLOCK_NSEC, offsetof(struct vdso_data, wtom_clock_nsec)); 286#ifdef CONFIG_PPC64 287 DEFINE(CFG_SYSCALL_MAP64, offsetof(struct vdso_data, syscall_map_64)); 288 DEFINE(TVAL64_TV_SEC, offsetof(struct timeval, tv_sec)); 289 DEFINE(TVAL64_TV_USEC, offsetof(struct timeval, tv_usec)); 290 DEFINE(TVAL32_TV_SEC, offsetof(struct compat_timeval, tv_sec)); 291 DEFINE(TVAL32_TV_USEC, offsetof(struct compat_timeval, tv_usec)); 292 DEFINE(TSPC64_TV_SEC, offsetof(struct timespec, tv_sec)); 293 DEFINE(TSPC64_TV_NSEC, offsetof(struct timespec, tv_nsec)); 294 DEFINE(TSPC32_TV_SEC, offsetof(struct compat_timespec, tv_sec)); 295 DEFINE(TSPC32_TV_NSEC, offsetof(struct compat_timespec, tv_nsec)); 296#else 297 DEFINE(TVAL32_TV_SEC, offsetof(struct timeval, tv_sec)); 298 DEFINE(TVAL32_TV_USEC, offsetof(struct timeval, tv_usec)); 299 DEFINE(TSPC32_TV_SEC, offsetof(struct timespec, tv_sec)); 300 DEFINE(TSPC32_TV_NSEC, offsetof(struct timespec, tv_nsec)); 301#endif 302 /* timeval/timezone offsets for use by vdso */ 303 DEFINE(TZONE_TZ_MINWEST, offsetof(struct timezone, tz_minuteswest)); 304 DEFINE(TZONE_TZ_DSTTIME, offsetof(struct timezone, tz_dsttime)); 305 306 /* Other bits used by the vdso */ 307 DEFINE(CLOCK_REALTIME, CLOCK_REALTIME); 308 DEFINE(CLOCK_MONOTONIC, CLOCK_MONOTONIC); 309 DEFINE(NSEC_PER_SEC, NSEC_PER_SEC); 310 DEFINE(CLOCK_REALTIME_RES, TICK_NSEC); 311 312#ifdef CONFIG_BUG 313 DEFINE(BUG_ENTRY_SIZE, sizeof(struct bug_entry)); 314#endif 315 return 0; 316} 317